Examine source code of scam

{
  "name": "scam",
  "version": "1.3.1",
  "manifest_version": 2,
  "description": "SoundCloud Account Manager: Quickly switch between multiple SoundCloud accounts.",
  "homepage_url": "https://github.com/nihilist/scam",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png",
    "240": "icons/icon240.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://soundcloud.com/*"
      ],
      "js": [
        "src/switcher.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://secure.soundcloud.com/*"
      ],
      "js": [
        "src/login.js"
      ],
      "all_frames": true,
      "run_at": "document_start"
    }
  ],
  "background": {
    "scripts": [
      "src/background.js"
    ],
    "persistent": false
  },
  "permissions": [
    "cookies",
    "https://soundcloud.com/*",
    "https://api-auth.soundcloud.com/*",
    "https://secure.soundcloud.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{4071edd9-4815-443f-bcea-55fa59ce6c2a}"
    }
  }
}